Company lists · Data refreshed September 2026

Top 25 Municipal infrastructure consulting firms based in Sydney, Australia

Name: Municipal infrastructure consulting firms based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 106 companies tracked

RevenueBase identified 106 municipal infrastructure consulting firms headquartered in Sydney, Australia as of September 2026 and tracks 15,780 professional contacts across them, including 7,246 with verified work emails. Across Australia, Sydney is the largest hub for this category.

This list covers municipal infrastructure consulting firms headquartered in Sydney, Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

106Companies

15,780Contacts tracked

7,246Verified emails

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The 25 largest municipal infrastructure consulting firms based in Sydney, Australia

Ranked by team size

Top 25 of 106 municipal infrastructure consulting firms based in Sydney, Australia, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to municipal infrastructure consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	GHD	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	10001+	14,572 contacts →
	Indirect evidence “We are committed to addressing the world’s biggest challenges in the areas of water, energy and communities.” Source: RevenueBase Database · checked Sep 29, 2026
2	MBB Group	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	167 contacts →
	Partial evidence “MBB Group is an independent consultancy firm, specialising in finding and developing innovative, effective solutions to complex infrastructure projects and programs.” Source: RevenueBase Database · checked Sep 29, 2026
3	E3 Advisory	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	103 contacts →
	Partial evidence “E3 Advisory, now part of WSP, is a leading infrastructure advisory firm delivering independent, strategic advice across Australia’s infrastructure landscape.” Source: RevenueBase Database · checked Sep 29, 2026
4	Hydroflux PTY LTD	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	95 contacts →
	Indirect evidence “Water l Science l Technology The Hydroflux Group is a team of water and wastewater treatment experts harnessing the power of world leading research and technologies for a more…” Source: RevenueBase Database · checked Sep 29, 2026
5	Turnbull Engineering	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	73 contacts →
	Partial evidence “Turnbull is a select team of highly motivated engineering professionals specialising in the design of civil infrastructure, including transport, energy and water and mining assets.” Source: RevenueBase Database · checked Sep 29, 2026
6	Triaxial Consulting	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	57 contacts →
	Partial evidence “Established in 2012, Triaxial Consulting are a firm of Consulting Civil and Structural Engineers, who provide a suite of specialist consulting engineering services, to all…” Source: RevenueBase Database · checked Sep 29, 2026
7	Wsce Warren Smith Consulting Engineers	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	51-200	40 contacts →
	Partial evidence “WSce is a multi-discipline Australian-owned consulting engineering firm specialising in civil, water, hydraulic, fire services (wet & dry fire) and specialty water and wasterwater…” Source: RevenueBase Database · checked Sep 29, 2026
8	Ason Group	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	34 contacts →
	Indirect evidence “Ason Group is a specialist traffic and transportation planning and engineering firm providing consultancy services to both the private and public sectors.” Source: RevenueBase Database · checked Sep 29, 2026
9	Alexandra Venice Consulting AVC	Strong evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	26 contacts →
	Strong evidence “Alexandra Venice Consulting (AVC) offer independent technical, environmental and project management services to support the development, procurement and delivery of infrastructure…” Source: RevenueBase Database · checked Sep 29, 2026
10	Empire Project Management	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	23 contacts →
	Indirect evidence “Empire Project Management was formed in 2017 by Mark Pritchard.” Source: RevenueBase Database · checked Sep 29, 2026
11	Indus Engineering PTY LTD	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	21 contacts →
	Partial evidence “Indus Engineering is a specialist team of experienced engineering professionals providing project management and advisory services to all infrastructure developments.” Source: RevenueBase Database · checked Sep 29, 2026
12	CROI	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	16 contacts →
	Indirect evidence “At Croí (pronounced kree), we are an award-winning team delivering utility project management and design (ASP3 certified) with a commitment to innovation, efficiency, and…” Source: RevenueBase Database · checked Sep 29, 2026
13	Centric Building Services Engineers	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	14 contacts →
	Partial evidence “Centric Building Services Engineers Centric Building Services Engineers are a team of highly experienced consulting engineering experts in building services.” Source: RevenueBase Database · checked Sep 29, 2026
14	Keylan Consulting	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	13 contacts →
	Partial evidence “KEYLAN Consulting provides personalised, expert urban planning and policy advisory services to a diverse range of industry and government clients.” Source: RevenueBase Database · checked Sep 29, 2026
15	Civil Structures Studio	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	11 contacts →
	Indirect evidence “Civil Structures Studio (CSS) is a collaboration of passionate and experienced individuals who revel in delivering complex structural engineering projects.” Source: RevenueBase Database · checked Sep 29, 2026
16	Certus Projects	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	11 contacts →
	Partial evidence “Certus Projects is an engineering contractor with the infrastructure sector.” Source: RevenueBase Database · checked Sep 29, 2026
17	Avista Strategy	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	10 contacts →
	Partial evidence “We are a strategic consultancy for the infrastructure industry, born out of the sense that there was a better way.” Source: RevenueBase Database · checked Sep 29, 2026
18	Contrado	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	10 contacts →
	Partial evidence “Our Vision To be a leader in the development and delivery of integrated infrastructure and property solutions.” Source: RevenueBase Database · checked Sep 29, 2026
19	Etheus	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	10 contacts →
	Indirect evidence “As strategies, programs and projects become increasingly complex and demanding, it’s never been more important to have a comprehensive, thorough and integrated approach to…” Source: RevenueBase Database · checked Sep 29, 2026
20	S&g Consultants PTY LTD	Partial evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	10 contacts →
	Partial evidence “S&G Consultants Pty Ltd is a dynamic organisation founded in 2003 by Managing Director Samer El Haddad in response to a market demand for integrated consulting engineering…” Source: RevenueBase Database · checked Sep 29, 2026
21	N2 Engineering Consultants	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	10 contacts →
	Indirect evidence “n2 Engineering Consultants provides innovative, reliable, and Australian-designed engineering solutions.” Source: RevenueBase Database · checked Sep 29, 2026
22	MCE Management Commercial Engineering	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	11-50	9 contacts →
	Indirect evidence “MCE – Management • Commercial • Engineering was established in 2014 and is based in Sydney, Canberra, Queensland and Melbourne.” Source: RevenueBase Database · checked Sep 29, 2026
23	Sphere Infrastructure Partners	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	7 contacts →
	Indirect evidence “Sphere was founded in 2018 in recognition of the need for advisors with specific environmental sector experience, development capability and expertise in delivering complex…” Source: RevenueBase Database · checked Sep 29, 2026
24	The Planning Studio	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	7 contacts →
	Indirect evidence “We acknowledge the Traditional Owners of the lands in which we work, the Gadigal people, and pay respect to Elders, past, present + emerging.” Source: RevenueBase Database · checked Sep 29, 2026
25	Hannover Consulting	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	1-10	7 contacts →
	Indirect evidence “Hannover was founded in 2009 by Susanna Zaleski and has grown organically since.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: municipal infrastructure consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names municipal infrastructure consulting firms.
Partial evidence: Its own public description names part of municipal infrastructure consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name municipal infrastructure consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 106 municipal infrastructure consulting firms based in Sydney, Australia

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Municipal infrastructure consulting firms based in Sydney, Australia at a glance

As of Sep 29, 2026

45.9%Verified-email coverage

148.9Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

10001+

Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 106 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among municipal infrastructure consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Sydney, Australia whose own description of what they do matches “municipal infrastructure consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names municipal infrastructure consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among municipal infrastructure consulting firms, and records with no verified work email. Companies headquartered outside Sydney are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 7,246 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Municipal infrastructure consulting firms by metro in Australia

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names municipal infrastructure consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many municipal infrastructure consulting firms are there based in Sydney, Australia?

RevenueBase identified 106 municipal infrastructure consulting firms headquartered in Sydney, Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

GHD, headquartered in Sydney, tops this list with the largest team on record.

Which city in Australia has the most municipal infrastructure consulting firms?

Sydney leads Australia with 106 headquartered companies, followed by Melbourne (72) and Brisbane (50).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,246 verified decision-maker contacts tracked across these 106 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.